Alright, let's work through 6413 times 4757 step by step
6413 × 4757 = 4757 × (6413)
+ 4757 × 3 giving us 14271
+ 4757 × 10 yielding 47570
+ 4757 × 400 what gives us 1902800
+ 4757 × 6000 producing 28542000

= 30506641
